Clinical trial Recruiting at 1 site Interventional Ages 18 and up

Testing different methods for setting ventilator support in ICU patients

Official title: A Pragmatic Pilot Trial Evaluating Inspiratory Pressure Adjustment Based on Pressure Muscle Index in Patients Undergoing Pressure Support Ventilation

Run by Capital Medical University · NCT06769360 · Data updated 2026-11-12

This study is testing two different ways to set up breathing support for ICU patients with severe breathing problems to see which one works better.

Quick facts

Study typeInterventional
Ages18 Years and up
SexAll
Enrollment60 (estimated)
SponsorCapital Medical University
Academic / other
Locations1 site (Beijing, Beijing Municipality)
StatusRecruiting
StartedJanuary 20, 2025
Main results expectedMarch 15, 2025
Study endsApril 2025
Registry record updatedFebruary 7, 2025
Trial IDNCT06769360 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include mechanically ventilated patients in the ICU with acute hypoxic respiratory failure who require ventilation for at least 24-48 hours.

Probably not a fit

Patients under 18 years old or those with certain exclusions such as neuromuscular diseases or moribund conditions may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This pilot trial aims to compare two strategies for setting pressure support ventilation (PSV) levels in mechanically ventilated patients with acute hypoxic respiratory failure. One strategy uses the traditional method based on tidal volume and respiratory rate, while the other utilizes the pressure muscle index to better match the patient's inspiratory effort. The study will be conducted in two ICU centers, with each method being tested for four weeks, separated by a washout period. The trial will also assess clinician adherence and explore clinical outcomes related to these ventilation strategies.

Why it matters

Potential benefit: If successful, this study could lead to improved ventilation strategies that enhance patient outcomes in critical care settings.

How similar studies have gone: While the comparative effectiveness of these two approaches is uncertain, previous studies have indicated that the pressure muscle index may provide a more accurate assessment of inspiratory effort, suggesting potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. PSV initiated during the last 24 hours, whether transition from controlled modes or primary initiation;
2. Mechanical ventilation expected to be required for at least 24-48 hours by responsible physicians;
3. The partial pressure of oxygen in arterial blood (PaO2)/inspired oxygen fraction (FiO2) ≤ 300 mmHg (measuring at clinical FiO2 and positive end-expiratory pressure \[PEEP\]);
4. No sedation or stable sedation with Richmond Agitation Sedation Scale (RASS) of -2 to +1 or Riker's Sedation-Agitation Scale (SAS) of 3 to 4.

Exclusion Criteria:

1. Age younger than 18 years old;
2. Initiation of PSV before ICU admission;
3. Duration of mechanical ventilation longer than 7 days before enrollment;
4. History of neuromuscular diseases;
5. Clinical suspicion of increased intracranial pressure;
6. Presentation with pneumothorax and/or bronchopleural fistula;
7. Extracorporeal support;
8. Moribund conditions;
9. Refusal by the ICU physicians or the patient.

Where it's running

  • Beijing Tiantan Hospital
    Beijing, Beijing Municipality, China
    Recruiting

Study contacts

  • Principal investigator: Jian-Xin Zhou, MD — Beijing Shijitan Hospital, Capital Medical University
  • Study coordinator: Jian-Xin Zhou, MD
  • Email: zhoujx.cn@icloud.com
  • Phone: 8610 6392 6666

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.